k-Plan Ultrasound Planning

k-Plan is an advanced modelling tool for the planning of transcranial ultrasound procedures.

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k-Plan Ultrasound Planning

k-Plan Ultrasound Planning

What is k-Plan?

Designed for use with transcranial ultrasound stimulation (TUS) techniques, k-Plan is an advanced modelling tool for planning TUS procedures. k-Plan uses a streamlined and intuitive workflow that allows users to select an ultrasound device, position the device using a template or medical image, and specify the sonication parameters.

High-resolution calculations of the ultrasound field and temperature inside the skull and brain are then automatically calculated in the cloud with a single click. No knowledge of numerical modelling or high-performance computing is required.

k-Plan Interface

User-Driven, Research Built

k-Plan is developed by researchers at University College London and the Brno University of Technology based on more than a decade of research into ultrasound modelling and planning for transcranial ultrasound procedures. More than just a research tool, k-Plan features a refined UI/UX shaped by extensive formative user testing. Features like transducer click-to-place, configurable image overlays, and automated report generation reduce setup time and increase productivity when running simulations. 

Study Management

k-Plan integrates a complete study management system. Users can capture study information, subject details, and study IDs according to study requirements, and then later easily de-identify or anonymise planning simulations while retaining simulation results.

k-Plan Study Management

Expandable Transducer Library

k-Plan can model single element, annular array, and multi-element transducers. The transducer library is user-extendable to model transducers from a wide range of manufacturers or custom transducer designs. 

Intelligent Compute Engine

k-Plan’s intelligent compute engine automates the process of running a planning simulation for transcranial ultrasound procedures. It automatically maps from CT skull images to material properties, generates an accurate model of the transducer based on geometric and calibration information, and then sets appropriate numerical and computational parameters. Simulation outputs are automatically processed to display the ultrasound field and temperature inside the brain, and to calculate exposure parameters. 


State-of-the-Art Simulation Tool

Behind the scenes, k-Plan runs simulations using k-Wave, a state-of-the-art simulation tool that is widely used across academia and industry to study acoustic wave propagation. It uses an experimentally-validated full-wave acoustic model to calculate how ultrasound waves travel from a transducer through the skull and into the brain. This is coupled with a model of heat diffusion and perfusion to calculate temperature rise and thermal dose. 

k-Plan Simulation

Cloud-based Planning Simulations

k-Plan allows access to high-performance computing resources in the cloud to run high-resolution planning simulations with a single click. The simple installation procedure and intuitive workflow mean users can be running simulations within minutes, with no additional resources or accounts required. k-Plan’s automated dispatch server optimises the computing resources needed for every simulation, minimising the time between planning and results. The status of running simulations is automatically refreshed and displayed in the plan browser.


The alignment of the ultrasound beam with the brain target can be investigated by changing the transducer position and sonication parameters and comparing the calculated exposure and dose parameters. For multi-element phased-array transducers, automated correction for skull aberrations can also be performed to target the desired brain area.

k-Plan Targetting

Workflow Integration

k-Plan integrates into standard neurostimulation workflows, including importing and exporting transducer positions for use with neuronavigation systems and exporting plan reports. 

Flexible Skull Mapping

Secure by Design

Subject data is stored in a password-protected AES-256 encrypted database stored locally with each installation. Only pseudonymised data is transferred to the cloud using industry-standard encrypted communication protocols along with advanced data security and integrity measures. 

Advanced Web Portal

k-Plan’s web portal provides a complete snapshot of your account, including current cloud computing allocations, and usage history. Self-service options allow administrative users to add or remove accounts associated with the same software license and modify user privileges.

Note, k-Plan is available for Research Use Only. It is intended solely for basic research use in non-clinical applications.


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Cloud-Based Planning Stimulations

By making use of powerful cloud computing techniques, k-Plan is able to run high-resolution planning simulations with a single click.

Expandable Transducer Library

Model single element, annular array, and multi-element phase-array transducers with k-Plan

Safe & Secure Data

k-Plan's data is stored locally in a password-protected, encrypted database. k-Plan will only ever transfer anonymised data for cloud computing purposes.

Expert Design

k-Plan has been developed by expert researchers at University College London and the Brno University of Technology: leading institutes in transcranial focused ultrasound stimulation research.

Advanced Planning Made Accessible

k-Plan's advanced modelling tools are calculated with a single click, and no knowledge of numerical modelling or high performance computing is required.

Network Requirements


k-Plan requires a reliable internet connection


Hardware/Software Requirements


2GB graphics memory or more (recommended)


1280 x 1024 (minimum), 1920 x 1200 (recommended)

Operating System

Windows 10

Hard Drive

2GB free space (minimum), 20GB free space (recommended, for storage of plans)

Compatible Products

This product can be used in combination with some of our other systems. Find out more by selecting one from the list below.

Associated Techniques

To find out more about the techniques that are applicable to this product, follow the links below.

Added Value

In addition to supplying and supporting a wide range of neuroscience products, Brainbox offers additional value in a number of areas that can benefit our customers, including:

Installation, Product Training, Technique Training, Bespoke Training

Lab Support
System Upgrades, Testing, Calibration, System Integration, Bespoke Solutions

Research Support
Study Design, Piloting, Technical Information, References

Grant Applications, Industrial Projects, Workshops

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